diff --git a/Project.toml b/Project.toml
index dde1408..b38a56d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,6 +15,7 @@ WignerSymbols = "9f57e263-0b3d-5e2e-b1be-24f2bb48858b"
 [compat]
 BlockBandedMatrices = "0.8, 0.9, 0.10, 0.11, 0.12"
 Combinatorics = "1"
+Format = "1.3"
 HalfIntegers = "1"
 Parameters = "0.12"
 UnicodeFun = "0.4"